The M-65 has survived because the design is generous without being shapeless. Four large flap pockets carry the visual weight low on the body, while the stand collar, concealed hood, drawcords, and removable-liner system make the jacket feel engineered rather than decorated. Even empty, it looks prepared for something.

The first thing to check is the label. A real military jacket should give you a pattern, size, contract or specification information, and a clearer story than a seller calling anything olive and pocketed an M-65. Then inspect the zipper, snaps, liner buttons, hood compartment, cuffs, and drawcords. Missing components are not always fatal, but the price should acknowledge them.

Buy by measurements rather than the tagged military size. These were designed to work over layers, and decades of washing can change the relationship between the label and the garment. I like them slightly large, with enough room for the waist drawcord to create shape instead of relying on a fitted chest.

OG-107 is a color designation, but in menswear it has become shorthand for an entire idea: cotton utility clothing in a dull olive green that gets better as it loses color. The U.S. Army used olive green utility uniforms for decades, and surviving trousers now range from nearly new dark green to pale, repaired examples that barely resemble the shade in which they started.

The appeal is proportion as much as history. A higher rise and uncomplicated leg make the trousers work with tucked shirts, short jackets, and heavier shoes without looking styled around any one of them. The fabric and construction are plain enough that fading, repairs, and the previous owner become the decoration.

Look for interior markings or a contract label, straightforward military construction, and an honest surface. Then ignore the tagged size until you see the actual waist, rise, inseam, and hem width. A beautiful pair that fits like the wrong decade is still the wrong pair.

A slub tee makes the case for a blank shirt. Uneven yarn creates small shifts in thickness across the surface, so washing and wear produce depth without a graphic. The fabric looks imperfect before anyone tries to distress it.

The details should stay quiet: a substantial collar, a tubular or simply constructed body, and proportions that feel square rather than long and narrow. Single-stitch hems can support an older date, but they are one clue—not a certificate of age or quality.

Hold the listing photo close enough to separate actual yarn texture from stains, pilling, or a modern printed effect. Then buy from the chest and length. A vintage blank only works if the neckline and proportion still carry the shirt.